Parts & Accessories

Thule's Axle Mount ezHitch enables you to attach any Thule bicycle trailer or bicycle compatible child carrier (sold separately) to the rear axle of your bike.

Thule's Bike Trailer Thru-Axle Adapters replace your 12mm rear thru-axle to let you connect your bike trailer to the bicycle.

With Thule's Cougar/Cheetah Jogging Kit, you can jog on and off road with your little one safely in your Cougar or Cheetah carrier (sold separately). A smooth-rolling, 16-inch quick-release wheel and Thule's exclusive ezClick feature makes attachment/removal easy and fast.

Tool-less, 3-position training wheel installation/removal system. - Closed-cell foam tires - Tubular steel arms - Compatible with 2013-present Hotrock 20-inch models only

Replacement bicycle trailer hitch for Model A & Model T Bicycle Trailers - Compatible with Model T Bicycle Trailer

Thule's Bicycle Trailer Kit easily converts your Thule Chariot carrier (sold separately) into a stable, sturdy bike trailer. With Thule's Axle Mount ezHitch system, attachment and removal are quick and easy. You even get a tall flag and reflector kit for enhanced visibility.

Convert your Thule Chariot into a high-performance jogging stroller. - Simple installation by clicking the kit into Thule VersaWing - Convenient tracking adjustment to make sure the carrier tracks straight - Includes pocket for easy storage of the jogging wheel when not in use

Thule's Internal Hub Hitch Adapter enables you to attach a bicycle trailer conversion kit (sold separately) to bicycles with an internally geared hub.

Thule's Thru-Axle Hitch Adapter enables you to attach a bicycle trailer conversion kit (sold separately) to bicycles with a rear thru-axle.

- Bolt-on Axle Adapter

Purchase our Kid Trailer axle for your bike, and share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favorite bike. Enjoy the adventure. Robert Axles for Kid Trailers are designed specifically to fit your 12mm thru-axle bike and allow attachment of any hitch-mounted trailer. These fit any trailer that has two wheels and a single point of attachment to the axle. This includes all the two-wheeled child, pet, and cargo trailers such as Thule, Chariot, Burley, Instep, Carry Freedom, and many more. - The axle shaft and axle end are precision CNC-machined. - The axle shaft is 7075 aluminum and hard black-anodized for rugged durability. - The stainless steel axle end allows for mounting of the hitch provided with your trailer. - Hardware for attachment of the hitch is included; the hitch, itself, is not. - No special tools required. Design allows for wheel installation and removal using your standard 5mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world.

The Robert Axle Project QR Hitch Adapter is a high quality, finely machined hitch adapter for towing single-arm trailers on bikes with 5mm quick release rear axles. Our stainless steel, QR Hitch Adapter helps trailer hitches fit more bikes, easily clearing hooded and interfering dropouts. Easy to install, by simply replacing the QR nut. Our adapter uses a 5mm hex to ensure your hitch and pre-cious cargo are more securely attached than other knurled adapters. The 5mm hex also isolates and protects dropouts from marring and over-tightening of the quick release when installing the hitch.

The adapter threads on to axles with an M12x1.25 thread. The Robert Axle Project Trailer Hitch Adapter for Rad Power Bikes and Mahle/EBIKEMOTION Equipped E-Bikes. Our hitch adapter for towing kid trailers and single-arm bike trailers is high quality and precisely machined. This includes all the two-wheeled child, pet and cargo trailers such as: Thule, Chariot, Burley, Instep, Carry Freedom, and many more. Our hitch adapter is made of stainless steel and is incredibly durable. It’s built to handle towing a fully loaded bike trailer. It easily clears a variety of dropouts. It is easy to install. Simply replace the existing non-driveside nut with our adapter, and attach the hitch that came with your trailer. Our hitch adapter uses a 17 mm wrench to attach your hitch and precious cargo more securely than with other knurled adapters. When installing the hitch, the 17 mm wrench isolates and protects dropouts from marring and over-tightening.